| No. 30th Street over Four Mile Creek |
Poor
|
1973 |
1,424 |
— |
| US 36 FR RD over BOULDER CREEK SR |
Poor
|
1952 |
1,264 |
— |
| South Bowen Street over Left Hand Creek |
Poor
|
1965 |
1,835 |
— |
| SH 7 ML WBND over BOULDER CREEK |
Poor
|
1938 |
15,000 |
— |
| US 36 ML WBND over BOULDER CREEK |
Poor
|
1952 |
18,000 |
— |
| Rock Creek Pkwy over Community Ditch |
Poor
|
2000 |
7,760 |
— |
| 3rd Ave WB over GW RR |
Poor
|
1974 |
9,116 |
— |
| Sixth St (CR 130) over Middle Boulder Creek |
Fair
|
2005 |
106 |
— |
| County Road 103 over Middle St. Vrain Creek |
Fair
|
1927 |
56 |
— |
| US 36 ML EBND over BOULDER CREEK |
Fair
|
1960 |
18,000 |
— |
| Co Rd 54A over Middle Boulder Creek |
Fair
|
1917 |
70 |
— |
| County Road 901 over Boulder Creek |
Fair
|
1976 |
6,549 |
— |
| Co Rd 54A over Middle Boulder Creek |
Fair
|
1917 |
66 |
— |
| County Road 84W over North St. Vrain Creek |
Fair
|
1927 |
122 |
— |
| Baseline Road (CR over South Boulder Creek |
Fair
|
1980 |
4,986 |
— |
| County Road 1 over New Ish Ditch |
Fair
|
1980 |
260 |
— |
| Brockway Drive over Goodhue Ditch |
Fair
|
1962 |
6,900 |
— |
| EBND US 36 ML over US 36 SPUR/BASELINE RD |
Fair
|
1963 |
16,500 |
— |
| Fordham Street over Dry Creek |
Fair
|
1997 |
1,944 |
— |
| County Road 132 over Boulder Creek |
Fair
|
1935 |
846 |
— |
| St Vrain Road CR16 over Boulder Feeder Ditch |
Fair
|
1955 |
1,009 |
— |
| EISENHOWER DRIVE over EMPSON DITCH |
Fair
|
1972 |
1,860 |
— |
| Public Road over Coal Creek |
Fair
|
1927 |
10,350 |
— |
| County Road 80 over North St. Vrain Creek |
Fair
|
1988 |
199 |
— |
| BOULDER CREEK PATH over BOULDER CREEK |
Fair
|
2020 |
11 |
— |
| Folsom Street over Boulder Creek |
Fair
|
1965 |
8,407 |
— |
| Juniper Avenue over Elmers Two Mile Ditch |
Fair
|
1965 |
666 |
— |
| Prospect Road CR24 over Boulder Feeder Ditch |
Fair
|
1988 |
180 |
— |
| Hover Road over Oligarchy Ditch |
Fair
|
1990 |
25,769 |
— |
| County Road 84S over South St. Vrain Creek |
Fair
|
2019 |
67 |
— |
| County Road 124E over North Boulder Creek |
Fair
|
1994 |
214 |
— |
| Boulder Hills Dr over Boulder Feeder Ditch |
Fair
|
1980 |
209 |
— |
| CR124E-Hummer Dr. over North Boulder Creek |
Fair
|
1994 |
135 |
— |
| 30th Street over North Goose Creek |
Fair
|
1994 |
21,233 |
— |
| SH 7 ML over NORTH ST VRAIN CREEK |
Fair
|
1973 |
1,800 |
— |
| N 41st St (Cr 59) over Left Hand Creek |
Fair
|
1960 |
226 |
— |
| County Road 130 over Middle Boulder Creek |
Fair
|
1990 |
742 |
— |
| Airport Road (CR25 over Left Hand Creek |
Fair
|
2003 |
10,085 |
— |
| N. 75th St (Cr 25) over Boulder Creek |
Fair
|
1978 |
8,907 |
— |
| Logan Mill Road over Four Mile Creek |
Fair
|
2019 |
238 |
— |
| COUNTY ROAD 116 over BOULDER CREEK |
Fair
|
1995 |
74 |
— |
| WILD BASIN ROAD over NORTH ST. VRAIN CREEK |
Fair
|
1982 |
75 |
— |
| Nelson Rd (Cr 20) over Boulder Feeder Ditch |
Fair
|
1950 |
2,692 |
— |
| WILD BASIN ROAD over NORTH ST. VRAIN CREEK |
Fair
|
1982 |
75 |
— |
| N. 61st Street over Boulder Creek |
Fair
|
1986 |
5,789 |
— |
| Niwot Meadow Farm over Dry Creek No 2 |
Fair
|
2005 |
102 |
— |
| Mc Sorley Lane over South Boulder Creek |
Fair
|
1970 |
272 |
— |
| 6th Street over Boulder Creek |
Fair
|
1978 |
10,000 |
— |
| Marshall Rd (CR 51 over South Boulder Creek |
Fair
|
1988 |
318 |
— |
| FDR 298 & BC 116 over NORTH BOULDER CREEK |
Fair
|
1970 |
40 |
— |